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Article Dans Une Revue Materials Research Express Année : 2019

Nanosized Cs-pollucite zeolite synthesized under mild condition and its catalytic behavior

Résumé

Nanoscale cesium-pollucite zeolite (ANA topology) free of organic template is synthesized free of organic template. The crystallization is taken place at mild temperature and pressure (180 C, 22 bar) compared to previous works. Powder XRD analysis reveals that the nanocrystals can be crystallized from a clear precursor solution of 16.5SiO2:1Al2O3:5.3Cs2O:175H2O within 50 h. The resulting nanocrystals exhibit trapezohedron shape and has a Si/Al ratio of 4.11. The nanocrystals possess a mean particle size of 79.4 nm and they are colloidally stable in water. In addition, Perkin condensation of benzaldehyde with acetic anhydride catalyzed by nanosized Cs-pollucite zeolite under non-microwave instant heating condition is also demonstrated and discussed.
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Dates et versions

hal-02409970 , version 1 (26-11-2020)

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Aleid Ghadah Mohammad S, Nur Hidayahni Ahmad, Kamila Goldyn, Svetlana Mintova, Tau Chuan Ling, et al.. Nanosized Cs-pollucite zeolite synthesized under mild condition and its catalytic behavior. Materials Research Express, 2019, 6 (2), pp.025026. ⟨10.1088/2053-1591/aaed61⟩. ⟨hal-02409970⟩
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